Dental threading tool



FIG. 1 is a perspective view of a dental threading tool showing my new design;

FIG. 2 is a side view of the right-side thereof, the side view of the left side thereof being identical, but an inverted mirror image;

FIG. 3 is a sectional view thereof along the line 3--3 of FIG. 2;

FIG. 4 is a top plan view of the right side thereof, the bottom view of the left side thereof being identical, but reversed in direction;

FIG. 5 is a top plan view of the right side of a modification thereof, the bottom view of the left side being substantially identical but inverted with respect to the right side;

FIG. 6 is a top view of a right side thereof according to a further modification, the bottom view of the left side thereof being identical but reversed in direction to the right side thereof; and

FIG. 7 is a sectional view, similar to FIG. 3, but of a modified embodiment thereof. 

The ornamental design of a dental threading tool, as shown and described. 